Driving mechanism for centrifugal machines.



' PATE-NTED APR. 21, 1903.

H. PELDMEIER. DRIVING MECHANISM FOR. GENTRIFUGAL MACHINES.

APPLICATION FILED AUG. '25, 1902.

N0 MODEL.

NITED STATES- ATENT OFFICE.

HARVEY FELDMEIER, OF LITTLEFALLS, NEVY YORK, ASSIGNOR TO D. H. BURRELL & COMPANY, OF LITTLEFALLS,.NEW YORK.

DRIVING MECHANISM FOR CENTRIFUGAL MACHINES.

SPECIFICATION forming part Of Letters Patent NO. 725,832, dated. April 21, 1903.

Application filed August 25, 1902. Serial No. 120,916. (No model.)

T at whom itmay concern: E represents the rear portion of the frame,

Beit known that I, HARVEY FELDMEIER, a which is composed of a complementary upcitizen of the United States, and a resident of rightsemicylindrical hollow standard portion Littlefalls, in the county of Herkimer and e and a lower hollow casing portion 6. 5 State of New York, have invented a new and The front and rear frame parts D and E useful Improvement in Driving Mechanism are secured together to form the hollow standfor Centrifugal Machines, of which the followard and casing for the drive-gearing by suiting is a specification. able means,such as screws which pass through This invention relates to the driving meohholes in the rear frame part E and are to anism of that class of centrifugal machines screwed into screw-threaded holes e in the which are operated by handfor instance, front frame part D. centrifugal milk-testing machines embodying The spindle O and the drive-gearing for roa rotary head which is secured to the upper tating the same are mounted on the front end of the spindle and which carries the frame part D. The front standard portion (1-6 15 holders for the test-bottles. extends above the complementary rear por- I The object of the invention is to provide a tion e and its upper end f, which overhangs frame of exceedingly simple and inexpensive the standard portion 6, constitutes an upper construction which serves as the casing in bearing for the spindle. The spindle passes which the driving mechanism is mounted and through this bearing and is journaled at its 2o inclosed and as means for securing the malower-end in a step-bearingf, formed on the chine on a table or other support. lower portion of the front frame part D. The In the accompanying drawings, Figure 1 is spindle is detachably retained in its bearings a sectional elevation ofa machine embodyby. suitable means, such-as a collar g, ating the invention in line 1 1, Fig. 2, one of the tache'd to the spindle below the upper bear- 25 bottle-holders beingbroken away to show the ing by a pin or other means.

frame. Fig. 2 is a sectional rear elevation of H represents the hand-actuated horizontal the machine in line 2 2, Fig. 1, the rear poroperating-shaft for'tlie spindle. This shaft tion of the gear-casing being removed. Fig. is journaled in a bearing h, which projects 3 is a horizontal section in line 3 3, Fig. 1, forwardly from the, portion d of the front 0 part of the frame being broken away. Fig. frame part D and has secured to its outer end elis a perspective View ofthe rear portion of an operating-crank h or the like, provided the gear-casing detached. with a handle h Theinner end of the crank- Like letters of reference refer to like parts shaft is connected to the spindle to rapidly in the several figures. rotate the same by any suitable gearingfor 5 A represents the holders in which the testinstance, a worm-wheel I on the shaft and a bottles are supported andwhich are of any worm I on the spindle. This gearing is 10- suitable construction and pivotally support cated in and protected by the casing d e. ed in any preferred manner to swing verti- The rear frame part E is provided with cally on the rotary head B. The latter is semeans for clamping the machine on a table 4o cured, preferably detachably, to the upper or other support While it is being used. For end of the vertical spindle (J. The spindle this purpose the frame part E is provided is journaled in bearings in the frame, which with one or more, preferably two, horizonis constructed as follows: tally projecting bearing-lugs j, adapted to D represents the front part of the frame, rest on the table or other support, a horizon- 5 5 which is formed in one integral piece or casttal lug j, arranged beneath the lugs j and ing and is composed of an upright semicyadapted to extend under the table, and a lindrical hollow standard portion d and a thumb-screw J, working in a threaded hole lower portion d, which is enlarged and proin the lower lugj and adapted to bear against jects to one side of the standard and is holthe under side of the table or support. I60 50 low to form the front part of the inclosing I claim as my -invention casing for the drive-gearing for the spindle. 1. The combination of a rotary upright spind'le, a horizontal driving-shaft, gearing connecting said shaft and spindle, and a twopart frame and casing consisting of separable front and rear portions, the front portion of the frame being provided with bearings in which the shaft and spindle are journaled and the rearportion being provided with means for attaching the frame to a support, substantially as set forth.

2. The combination of a rotary upright spindle, a horizontal driving-shaft, gearing connecting said shaft and spindle, and a twopart frame and casing consisting of separable front and rear portions, each having a lower casing portion inclosing said gearing, and an upwardly-projecting standard portion inclosing said spindle, one of the standard portions extending above the other and provided above the other with a spindle-bearing, substantially as set forth.

HARVEY FELDMEIER.

Witnesses:

E. J. BURRELL, F. A. TINKER. 

